Donald Trump and Joe Biden will go head to head in Cleveland tonight in the first presidential debate.

Trump's tax issues look set to dominate. The New York Times revealed at the weekend that the president paid just $750 in federal income taxes in his first year in office, and none at all for 11 of the 18 years reviewed by the paper.

But will these revelations make any difference to voters?

Cal Thomas and Marion McKeone gave their take in our weekly US slot.